富镁铁渣制备镁基脱硫剂及模拟烟气脱硫研究  

Preparation and Study of a New Mg(OH)_2-based Desulfurization Absorbent from Alkaline Iron Slag

作　　者：夏世斌[1] 石华前[1] 罗斌华[1] 

机构地区：[1]武汉理工大学资源与环境工程学院,武汉430070

出　　处：《武汉理工大学学报》2006年第8期58-61,共4页Journal of Wuhan University of Technology

基　　金：广东省重点新产品计划项目(2004ED780354)

摘　　要：在实验室由碱性铁矿渣成功制备了Mg基脱硫剂，并通过模拟试验装置研究了烟气脱硫效果。试验中考察了气体流量、Mg（OH）2乳浊液的浓度、停留时间等因素对脱硫效率的影响。模拟试验结果表明：在Mg（OH）2乳浊液浓度21．2～42．4g／L、气液比5：1、烟气停留时间ts=30s的工况条件下，烟气脱硫的效率可达87．6％～88．4％。由碱性铁矿渣制备Mg（OH）2乳浊液脱硫剂是一种投资省、运行费用低、脱硫效率高、“以废治废”的烟气脱硫新技术。Mg（OH）2-based desulfurization absorbent has been successfully prepared from the alkaline iron slag in the laboratory for the first time, and the flue gas desulfurization （FGD） was researched through a simulated experimental set-up. Effects of gas flowrate（Q）, concentrate of Mg（OH）2-based ansorbent（c） and the retention time（ts） on the desulfurization efficiency were investigated in this paper. The desulfurization efficiency was 87.6% -88.4 % under the conditions of Mg（OH）2-based desulfurization absorbent concentration at 21.2-42.4 g/L and ts= 30 s. Research results indicated that Mg（OH）2-based absorbent is a new FGD technology with investment-saving, low cost, high desulfurization efficiency and recycled method.

关 键 词：碱性铁矿渣 MG(OH)2 烟气脱硫 模拟试验 

分 类 号：X511[环境科学与工程—环境工程]